i know this is very late, but this is a bridge i designed myself for that competition (albeit a little late). it'll lob the train out past 385m.
http://www.korossy.org/pictures/longjumpzoltan.zip" target="_blank">device
http://www.korossy.org/pictures/longjumpzoltan.jpg" border="0">
http://www.korossy.org/pictures/longjumpzoltan.zip" target="_blank">device
http://www.korossy.org/pictures/longjumpzoltan.jpg" border="0">